
# 计算器界面
print('|=======================|')
print('|    简易计算器(1.0)     |')
print('|=======================|')

# 计算器功能实现
num1 = 100
num2 = 200
# 加法计算(res1)
res1 = num1 + num2
print(res1)          # 加法结果
print(num1,'+',num2,'=',res1)
# 减法计算(res2)
res2 = num1 - num2
print(res2)   # 减法结果
print(num1,'-',num2,'=',res2)
# 乘法计算(res3)
res3 = num1 * num2
print(num1,'*',num2,'=',res3)
print(res3)          # 乘法结果
# 除法计算(res4)
res4 = num1 / num2
print(num1,'/',num2,'=',res4)
print(res4)          # 除法结果
